The Board shall appoint all sworn officers of the Police Department, which does not include Community Service Technicians and civilian employees of the Police Department of the village, except the Chief of Police; provided, however, that, all appointments to the Department other than that of the lowest rank shall be from the rank next below that to which the appointment shall be made, except in the appointment of the Chief of Police, who shall be appointed by the Village Manager; provided further that, such appointment of Chief of Police need not be from among the members of the Police Department.